package org.gcube.data.access.storagehub.storage.backend.impl;

import java.util.HashMap;
import java.util.Map;
import java.util.UUID;

import javax.annotation.PostConstruct;
import javax.inject.Singleton;

import org.gcube.common.storagehub.model.Constants;
import org.gcube.common.storagehub.model.Metadata;
import org.gcube.common.storagehub.model.exceptions.InvalidCallParameters;
import org.gcube.common.storagehub.model.items.nodes.PayloadBackend;
import org.gcube.common.storagehub.model.storages.StorageBackend;
import org.gcube.common.storagehub.model.storages.StorageBackendFactory;

@Singleton
public class DefaultGcubeMinIoStorageBackendFactory implements StorageBackendFactory {
	
	private StorageBackend singleton;
	
	@PostConstruct
	public void init(){
		Map<String, Object> params = new HashMap<String, Object>();
		params.put("bucketName", "storagehub-default" );
		params.put("key", "minio_admin" );
		params.put("secret", "8334e0e6acb173a8f915026b1bc4c7" );
		params.put("url", "https://minio.dev.d4science.org/" );
		Metadata metadata = new Metadata(params);
		this.singleton =  new S3Backend(new PayloadBackend(getName(), metadata), (String) -> UUID.randomUUID().toString());
	}
	
	@Override
	public String getName() {
		return Constants.DEFAULT_MINIO_STORAGE;
	}

	@Override
	public StorageBackend create(PayloadBackend payloadConfiguration) throws InvalidCallParameters {
		if (payloadConfiguration.getParameters().isEmpty())
			return singleton;
		else return new S3Backend(payloadConfiguration, (String) -> UUID.randomUUID().toString() );
	}

}